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Nomis Energy Service Limited

Products >> Drill collar

Drill collar

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Description
Product Name: Drill collar
Supply Ability:
Related proudcts
Specifications API-7K
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Drill Collar Number:NC23-31
Outside Diameter(mm):79.4
Inside Diameter(mm):31.8
Length(mm ):9150
Ref.Bend (g)Strength ratio: 2.57 £º1
DF Bevel Diameter:76.2

Drill collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension. Especially drill collar can keep drill bit centralized and hole track by large rigidity.Our drill collar are manufactured strictly from API Spec7-1 and SY5411 standard.

Contact Us
Company: Nomis Energy Service Limited
Contact: Ms. zoe zoe
Address: No.43 Beisanhuanxi Rd
Postcode: 100088
Tel: 86 10 62199336
Fax: 86 10 62113025
E-mail:         


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Tel : 86 10 62199336 Fax : 86 10 62113025
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